{"id":136,"date":"2026-08-30T04:10:26","date_gmt":"2026-08-30T04:10:26","guid":{"rendered":"https:\/\/domoviq.com\/tools\/smart-home-cost-savings-calculator\/"},"modified":"2026-08-31T01:54:31","modified_gmt":"2026-08-31T01:54:31","slug":"cost-calculator","status":"publish","type":"page","link":"https:\/\/domoviq.com\/tools\/cost-calculator\/","title":{"rendered":"Smart Home Cost &amp; Savings Calculator"},"content":{"rendered":"\n<div class=\"dvt\" id=\"dvt-clc\">\n<style>\n.dvt{--bg:#0b1220;--card:#161f34;--line:#2a3652;--teal:#2dd4bf;--amber:#fbbf24;--red:#f87171;--txt:#e9eefb;--mut:#96a3c0;font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,sans-serif;background:linear-gradient(180deg,#0e1730,var(--bg) 260px);color:var(--txt);border-radius:20px;padding:26px 22px;margin:10px 0;line-height:1.5;border:1px solid #1a2540}\n.dvt *{box-sizing:border-box}\n.dvt h2,.dvt h3{color:#fff;margin:0 0 8px;letter-spacing:-.01em}\n.dvt h2{font-size:23px}\n.dvt p{color:var(--mut);margin:0 0 12px;font-size:14px}\n.dvt a{color:var(--teal)}\n.dvt :focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px}\n.dvt-nav{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;font-size:12px}\n.dvt-nav a{color:var(--mut);text-decoration:none;background:var(--card);border:1px solid var(--line);padding:5px 11px;border-radius:999px;transition:border-color .15s ease,color .15s ease}\n.dvt-nav a:hover{border-color:var(--teal);color:var(--txt)}\n.dvt-nav a.on{color:#06221c;background:var(--teal);border-color:var(--teal);font-weight:700}\n.dvt-sec{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px}\n.dvt-btn{background:var(--teal);color:#06221c;font-weight:700;border:none;padding:10px 16px;border-radius:9px;font-size:14px;cursor:pointer;text-decoration:none;display:inline-block;transition:filter .15s ease}\n.dvt-btn:hover{filter:brightness(1.08)}\n.dvt-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}\n.dvt-empty{border:1px dashed var(--line);border-radius:14px;padding:26px 22px;text-align:center;color:var(--mut);font-size:14px}\n.dvt-msg{font-size:13px;color:var(--teal);margin-top:8px;min-height:18px}\n.cl-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}\n.cl-in label{font-size:13px;color:var(--mut);display:block;margin-bottom:6px}\n.cl-in .val{color:#fff;font-weight:800;font-size:15px}\n.cl-in input[type=range]{width:100%;accent-color:var(--teal);height:6px}\n.cl-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}\n.cl-stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:15px;text-align:center;transition:border-color .15s ease}\n.cl-stat:hover{border-color:#3a4a72}\n.cl-stat .n{font-size:22px;font-weight:800;color:var(--teal)}\n.cl-stat .n.warn{color:var(--amber)}\n.cl-stat .l{font-size:12px;color:var(--mut);margin-top:4px}\n.cl-chart{display:flex;align-items:flex-end;gap:10px;height:140px;margin-top:16px;padding-top:10px}\n.cl-bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:4px;height:100%}\n.cl-bar .b{width:100%;border-radius:6px 6px 0 0;background:var(--line);min-height:2px;transition:height .3s ease}\n.cl-bar.pos .b{background:var(--teal)}\n.cl-bar .y{font-size:11px;color:var(--mut)}\n.cl-bar .v{font-size:11px;color:var(--txt);font-weight:700}\n.cl-tbl{width:100%;border-collapse:collapse;font-size:13px;margin-top:8px}\n.cl-tbl td,.cl-tbl th{padding:8px 8px;border-bottom:1px solid var(--line);text-align:left;color:var(--mut)}\n.cl-tbl th{color:var(--txt)}\n.cl-tbl td.r{text-align:right;color:var(--txt);font-weight:600}\n@media (max-width:520px){.dvt{padding:20px 15px;border-radius:16px}}\n<\/style>\n<div class=\"dvt-nav\"><a href=\"\/tools\/\">Tools home<\/a><a href=\"\/tools\/kit-builder\/\">1. Kit Builder<\/a><a href=\"\/tools\/compatibility-checker\/\">2. Checker<\/a><a href=\"\/tools\/setup-guide\/\">3. Setup Guide<\/a><a class=\"on\" href=\"\/tools\/cost-calculator\/\">4. Calculator<\/a><a href=\"\/tools\/gear-finder\/\">5. Gear Finder<\/a><a href=\"\/tools\/home-monitor\/\">6. Monitor<\/a><\/div>\n<h2>Smart Home Cost &amp; Savings Calculator<\/h2>\n<p>Estimates what your kit from the <a href=\"\/tools\/kit-builder\/\" style=\"color:var(--teal)\">Kit Builder<\/a> costs to buy and run, what it saves per year, and when it pays for itself. Methodology follows our <a href=\"\/is-smart-home-automation-worth-it-in-2026-an-honest-cost-benefit-breakdown\/\" style=\"color:var(--teal)\">cost-benefit breakdown<\/a>.<\/p>\n<div id=\"cl-body\"><\/div>\n<div class=\"dvt-row\"><a class=\"dvt-btn\" href=\"\/tools\/gear-finder\/\">Next: find the best-value gear \u2192<\/a><\/div>\n<div class=\"dvt-msg\" id=\"cl-msg\"><\/div>\n<script>\n(function(){\nvar K='dv_tools_v1';\nfunction load(){try{return JSON.parse(localStorage.getItem(K))||{}}catch(e){return{}}}\nfunction save(p){var s=load();for(var k in p)s[k]=p[k];localStorage.setItem(K,JSON.stringify(s));return s}\nvar SV={ep25:{w:4,fix:20},p115:{w:1,fix:25},eve:{w:1,fix:20},klbulb:{w:1,fix:12},hue:{w:1,fix:15},govee:{w:1,fix:0},dot:{w:2,fix:0},nestmini:{w:2,fix:0},hpmini:{w:2,fix:0},sthub:{w:3,fix:0},aqhub:{w:3,fix:0},wyze:{w:4,fix:0},ring:{w:0,fix:0},nestdb:{w:0,fix:0},nestth:{w:1,hvac:0.10},sensibo:{w:1,hvac:0.07},august:{w:0,fix:0},aqp2:{w:0,fix:0},aqmot:{w:0,fix:0},leak:{w:0,fix:0}};\nvar st=load();\nvar kit=st.kit||[];\nvar body=document.getElementById('cl-body');\nif(!kit.length){\nbody.innerHTML='<div class=\"dvt-empty\">Your kit is empty \u2014 the calculator needs devices to price up.<br><br><a class=\"dvt-btn\" href=\"\/tools\/kit-builder\/\">Build your kit first \u2192<\/a><\/div>';\nreturn;\n}\nvar rate=(st.energy&&st.energy.rate)||0.17;\nvar bill=(st.energy&&st.energy.bill)||150;\nbody.innerHTML='<div class=\"dvt-sec\"><h3>Your numbers<\/h3><div class=\"cl-in\">'+\n'<div><label>Electricity rate \u2014 <span class=\"val\" id=\"cl-rv\"><\/span> $\/kWh<\/label><input type=\"range\" id=\"cl-rate\" min=\"0.08\" max=\"0.45\" step=\"0.01\"><\/div>'+\n'<div><label>Monthly electric bill \u2014 <span class=\"val\" id=\"cl-bv\"><\/span><\/label><input type=\"range\" id=\"cl-bill\" min=\"40\" max=\"500\" step=\"10\"><\/div>'+\n'<\/div><\/div>'+\n'<div class=\"dvt-sec\"><h3>The verdict<\/h3><div class=\"cl-stats\" id=\"cl-stats\"><\/div><div class=\"cl-chart\" id=\"cl-chart\"><\/div><p style=\"font-size:12px;margin:10px 0 0\">Bars show cumulative net position by year (savings minus upfront cost and standby running cost). Teal = you\\'re in profit. Convenience and security value aren\\'t priced in \u2014 only energy.<\/p><\/div>'+\n'<div class=\"dvt-sec\"><h3>Line by line<\/h3><table class=\"cl-tbl\" id=\"cl-tbl\"><\/table><\/div>';\nvar rateEl=document.getElementById('cl-rate'),billEl=document.getElementById('cl-bill');\nrateEl.value=rate;billEl.value=bill;\nfunction calc(){\nrate=parseFloat(rateEl.value);bill=parseFloat(billEl.value);\ndocument.getElementById('cl-rv').textContent=rate.toFixed(2);\ndocument.getElementById('cl-bv').textContent='$'+Math.round(bill);\nvar cost=0,saveYr=0,runYr=0,rows='';\nkit.forEach(function(i){\nvar d=SV[i.id]||{w:0,fix:0};\nvar c=(i.price||0)*i.qty;cost+=c;\nvar s=0;\nif(d.hvac)s=bill*12*0.45*d.hvac*i.qty;\nelse s=(d.fix||0)*i.qty*(rate\/0.17);\nvar r=(d.w||0)*i.qty*24*365\/1000*rate;\nsaveYr+=s;runYr+=r;\nrows+='<tr><td>'+i.name+(i.qty>1?' \u00d7'+i.qty:'')+'<\/td><td class=\"r\">$'+Math.round(c)+'<\/td><td class=\"r\">'+(s?'+$'+Math.round(s)+'\/yr':'\u2014')+'<\/td><td class=\"r\">'+(r>=1?'\u2212$'+Math.round(r)+'\/yr':'\u2014')+'<\/td><\/tr>';\n});\nvar net=saveYr-runYr;\nvar payback=net>0?cost\/net*12:null;\nvar pbLabel;\nif(payback!==null)pbLabel=payback<=12?Math.round(payback)+' months':(payback\/12).toFixed(1)+' years';\nelse pbLabel=saveYr>0?'No net payback \u2014 standby cost outweighs savings':'No energy-saving devices in kit yet';\nvar stats='<div class=\"cl-stat\"><div class=\"n\">$'+Math.round(cost)+'<\/div><div class=\"l\">Upfront cost<\/div><\/div>'+\n'<div class=\"cl-stat\"><div class=\"n\">$'+Math.round(saveYr)+'\/yr<\/div><div class=\"l\">Estimated savings<\/div><\/div>'+\n'<div class=\"cl-stat\"><div class=\"n warn\">$'+Math.round(runYr)+'\/yr<\/div><div class=\"l\">Running cost (standby)<\/div><\/div>'+\n'<div class=\"cl-stat\"><div class=\"n'+(payback===null?' warn':'')+'\" style=\"font-size:'+(payback===null?'14px':'22px')+'\">'+pbLabel+'<\/div><div class=\"l\">Payback time<\/div><\/div>';\ndocument.getElementById('cl-stats').innerHTML=stats;\nvar ch='';var maxAbs=1;\nvar vals=[];\nfor(var y=1;y<=5;y++){var v=net*y-cost;vals.push(v);if(Math.abs(v)>maxAbs)maxAbs=Math.abs(v)}\nvals.forEach(function(v,ix){\nvar hpx=Math.max(4,Math.round(Math.abs(v)\/maxAbs*90));\nch+='<div class=\"cl-bar'+(v>=0?' pos':'')+'\"><span class=\"v\">'+(v>=0?'+':'\u2212')+'$'+Math.abs(Math.round(v))+'<\/span><div class=\"b\" style=\"height:'+hpx+'px\"><\/div><span class=\"y\">Yr '+(ix+1)+'<\/span><\/div>';\n});\ndocument.getElementById('cl-chart').innerHTML=ch;\ndocument.getElementById('cl-tbl').innerHTML='<tr><th>Device<\/th><th style=\"text-align:right\">Cost<\/th><th style=\"text-align:right\">Saves<\/th><th style=\"text-align:right\">Runs<\/th><\/tr>'+rows;\nsave({energy:{rate:rate,bill:bill},calc:{cost:Math.round(cost),savingsYr:Math.round(saveYr),runYr:Math.round(runYr),paybackLabel:pbLabel,net5:Math.round(net*5-cost),when:Date.now()}});\ndocument.getElementById('cl-msg').textContent='Saved \u2713 \u2014 your Home Monitor dashboard now shows these numbers.';\n}\nrateEl.addEventListener('input',calc);\nbillEl.addEventListener('input',calc);\ncalc();\n})();\n<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tools home1. Kit Builder2. Checker3. Setup Guide4. Calculator5. Gear Finder6. Monitor Smart Home Cost &amp; Savings Calculator Estimates what your kit from the Kit Builder costs to buy and run, what it saves per year, and when it pays for itself. Methodology follows our cost-benefit breakdown. Next: find the best-value gear \u2192<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":129,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_focuskw":"","rank_math_title":"Smart Home Cost &amp; Savings Calculator \u2014 Payback Time Tool | DomoViq","rank_math_description":"Calculate what your smart home kit costs to buy and run, how much it saves per year, and when it pays for itself \u2014 personalized to your devices and electricity rate.","rank_math_focus_keyword":"","_aioseop_title":"","_aioseop_description":""},"class_list":["post-136","page","type-page","status-publish","hentry"],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/domoviq.com\/wp-json\/wp\/v2\/pages\/136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/domoviq.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/domoviq.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/domoviq.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/domoviq.com\/wp-json\/wp\/v2\/comments?post=136"}],"version-history":[{"count":3,"href":"https:\/\/domoviq.com\/wp-json\/wp\/v2\/pages\/136\/revisions"}],"predecessor-version":[{"id":150,"href":"https:\/\/domoviq.com\/wp-json\/wp\/v2\/pages\/136\/revisions\/150"}],"up":[{"embeddable":true,"href":"https:\/\/domoviq.com\/wp-json\/wp\/v2\/pages\/129"}],"wp:attachment":[{"href":"https:\/\/domoviq.com\/wp-json\/wp\/v2\/media?parent=136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}